* {
  margin: 0;
  padding: 0;
  list-style: none;
}

.wrap {
  width: 1200px;
  margin: 0 auto;
}

.wrap h2 {
  text-align: center;
  margin: 50px 0;
}

table {
  margin: 0 auto;
  border-radius: 5px;
}

table td,
table th {
  width: 120px;
  outline: none;
  text-indent: 0px;
  height: 50px;
  line-height: 50px;
  border-radius: 5px;
}

table td {
  text-indent: 10px;
}

button {
  width: 80%;
  height: 80%;
  border: 0;
  background-color: white;
  font-size: 20px;
}

.get_stu_id td,
.get_stu_id th {
  width: 320px;
  outline: none;
  text-indent: 0px;
  height: 50px;
  line-height: 50px;
  border-radius: 5px;
}
